public override void Visit(int intURLID)
{
base.Visit(intURLID);
ArrayList arlsInLinks = GetInLinks(intURLID);
float dcmPageRank = 0.0f;
if (arlsInLinks.Count > 0)
{
float dcmPageRankOfInLink = 0.0f;
int intNumOfOutLinks = 0;
foreach (int intURLInLink in arlsInLinks)
{
dcmPageRankOfInLink = RankHandler.GetRank(intURLInLink, 1.0f);
intNumOfOutLinks = GetNumberOfOutLinks(intURLInLink);
dcmPageRank += (intNumOfOutLinks == 0?0.0f:dcmPageRankOfInLink / intNumOfOutLinks);
}
dcmPageRank = (1.0f - PageRankDParameter) + PageRankDParameter * (dcmPageRank);
// PR(A) = (1-d) + d(PR(t1)/C(t1) + ... + PR(tn)/C(tn))
// http://www.webworkshop.net/pagerank.html
}
else
{
dcmPageRank = 1.0f;
}
RankHandler.UpdateRank(intURLID, dcmPageRank);
if (TimeSpanPermitsToReport())
{
ReportIfTimeSpanPermits(string.Format("Calculated Pagerank for URL with ID:[{0}]. Pagerank is [{1:0.000000000}] with total Inlinks [{2}]. Url Iter is in count [{3}] of total [{4}]", intURLID, dcmPageRank, arlsInLinks.Count, intCurrentURL, intRowsCount));
}
}
